Passing through closed windows
Passing through open windows/doors
Passing through walls/closed doors

Other travel behavior

Ball Lightning closest proximity to observer (select applicable):

Considerable distance, no frame of reference. Could not determine ball actual
size
Some distance, but could determine ball size
Close proximity. Close enough to see detail
Very close - close enough to touch*
Ball came into contact with observer*

*If very close or ball made physical contact:
Did ball give off heat?
Yes
No
Did ball cause static charge?
Yes
No

*If ball made contact:
Did ball collapse upon contact?
Yes
No
Did ball shock?
Yes
No
Did ball burn?
Yes
No
Did ball pass through you?
Yes
No
Upon contact, did ball elicit any other sensation?
Yes
No

Discharged with thunderous, blinding explosion that created shockwave
Discharged with thunderous explosion with no shockwave
Sounded like a fire-cracker or gun discharging
Disappeared with a "Pop!"
Disappeared hissing, sizzling